// https://syzkaller.appspot.com/bug?id=5266d464285a03cee9dbfda7d2452a72c3c2ae7c
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/loop.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

static bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);
  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

//% This code is derived from puff.{c,h}, found in the zlib development. The
//% original files come with the following copyright notice:

//% Copyright (C) 2002-2013 Mark Adler, all rights reserved
//% version 2.3, 21 Jan 2013
//% This software is provided 'as-is', without any express or implied
//% warranty.  In no event will the author be held liable for any damages
//% arising from the use of this software.
//% Permission is granted to anyone to use this software for any purpose,
//% including commercial applications, and to alter it and redistribute it
//% freely, subject to the following restrictions:
//% 1. The origin of this software must not be misrepresented; you must not
//%    claim that you wrote the original software. If you use this software
//%    in a product, an acknowledgment in the product documentation would be
//%    appreciated but is not required.
//% 2. Altered source versions must be plainly marked as such, and must not be
//%    misrepresented as being the original software.
//% 3. This notice may not be removed or altered from any source distribution.
//% Mark Adler    madler@alumni.caltech.edu

//% BEGIN CODE DERIVED FROM puff.{c,h}

#define MAXBITS 15
#define MAXLCODES 286
#define MAXDCODES 30
#define MAXCODES (MAXLCODES + MAXDCODES)
#define FIXLCODES 288

struct puff_state {
  unsigned char* out;
  unsigned long outlen;
  unsigned long outcnt;
  const unsigned char* in;
  unsigned long inlen;
  unsigned long incnt;
  int bitbuf;
  int bitcnt;
  jmp_buf env;
};
static int puff_bits(struct puff_state* s, int need)
{
  long val = s->bitbuf;
  while (s->bitcnt < need) {
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    val |= (long)(s->in[s->incnt++]) << s->bitcnt;
    s->bitcnt += 8;
  }
  s->bitbuf = (int)(val >> need);
  s->bitcnt -= need;
  return (int)(val & ((1L << need) - 1));
}
static int puff_stored(struct puff_state* s)
{
  s->bitbuf = 0;
  s->bitcnt = 0;
  if (s->incnt + 4 > s->inlen)
    return 2;
  unsigned len = s->in[s->incnt++];
  len |= s->in[s->incnt++] << 8;
  if (s->in[s->incnt++] != (~len & 0xff) ||
      s->in[s->incnt++] != ((~len >> 8) & 0xff))
    return -2;
  if (s->incnt + len > s->inlen)
    return 2;
  if (s->outcnt + len > s->outlen)
    return 1;
  for (; len--; s->outcnt++, s->incnt++) {
    if (s->in[s->incnt])
      s->out[s->outcnt] = s->in[s->incnt];
  }
  return 0;
}
struct puff_huffman {
  short* count;
  short* symbol;
};
static int puff_decode(struct puff_state* s, const struct puff_huffman* h)
{
  int first = 0;
  int index = 0;
  int bitbuf = s->bitbuf;
  int left = s->bitcnt;
  int code = first = index = 0;
  int len = 1;
  short* next = h->count + 1;
  while (1) {
    while (left--) {
      code |= bitbuf & 1;
      bitbuf >>= 1;
      int count = *next++;
      if (code - count < first) {
        s->bitbuf = bitbuf;
        s->bitcnt = (s->bitcnt - len) & 7;
        return h->symbol[index + (code - first)];
      }
      index += count;
      first += count;
      first <<= 1;
      code <<= 1;
      len++;
    }
    left = (MAXBITS + 1) - len;
    if (left == 0)
      break;
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    bitbuf = s->in[s->incnt++];
    if (left > 8)
      left = 8;
  }
  return -10;
}
static int puff_construct(struct puff_huffman* h, const short* length, int n)
{
  int len;
  for (len = 0; len <= MAXBITS; len++)
    h->count[len] = 0;
  int symbol;
  for (symbol = 0; symbol < n; symbol++)
    (h->count[length[symbol]])++;
  if (h->count[0] == n)
    return 0;
  int left = 1;
  for (len = 1; len <= MAXBITS; len++) {
    left <<= 1;
    left -= h->count[len];
    if (left < 0)
      return left;
  }
  short offs[MAXBITS + 1];
  offs[1] = 0;
  for (len = 1; len < MAXBITS; len++)
    offs[len + 1] = offs[len] + h->count[len];
  for (symbol = 0; symbol < n; symbol++)
    if (length[symbol] != 0)
      h->symbol[offs[length[symbol]]++] = symbol;
  return left;
}
static int puff_codes(struct puff_state* s, const struct puff_huffman* lencode,
                      const struct puff_huffman* distcode)
{
  static const short lens[29] = {3,  4,  5,  6,   7,   8,   9,   10,  11, 13,
                                 15, 17, 19, 23,  27,  31,  35,  43,  51, 59,
                                 67, 83, 99, 115, 131, 163, 195, 227, 258};
  static const short lext[29] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2,
                                 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0};
  static const short dists[30] = {
      1,    2,    3,    4,    5,    7,    9,    13,    17,    25,
      33,   49,   65,   97,   129,  193,  257,  385,   513,   769,
      1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577};
  static const short dext[30] = {0, 0, 0,  0,  1,  1,  2,  2,  3,  3,
                                 4, 4, 5,  5,  6,  6,  7,  7,  8,  8,
                                 9, 9, 10, 10, 11, 11, 12, 12, 13, 13};
  int symbol;
  do {
    symbol = puff_decode(s, lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 256) {
      if (s->outcnt == s->outlen)
        return 1;
      if (symbol)
        s->out[s->outcnt] = symbol;
      s->outcnt++;
    } else if (symbol > 256) {
      symbol -= 257;
      if (symbol >= 29)
        return -10;
      int len = lens[symbol] + puff_bits(s, lext[symbol]);
      symbol = puff_decode(s, distcode);
      if (symbol < 0)
        return symbol;
      unsigned dist = dists[symbol] + puff_bits(s, dext[symbol]);
      if (dist > s->outcnt)
        return -11;
      if (s->outcnt + len > s->outlen)
        return 1;
      while (len--) {
        if (dist <= s->outcnt && s->out[s->outcnt - dist])
          s->out[s->outcnt] = s->out[s->outcnt - dist];
        s->outcnt++;
      }
    }
  } while (symbol != 256);
  return 0;
}
static int puff_fixed(struct puff_state* s)
{
  static int virgin = 1;
  static short lencnt[MAXBITS + 1], lensym[FIXLCODES];
  static short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  static struct puff_huffman lencode, distcode;
  if (virgin) {
    lencode.count = lencnt;
    lencode.symbol = lensym;
    distcode.count = distcnt;
    distcode.symbol = distsym;
    short lengths[FIXLCODES];
    int symbol;
    for (symbol = 0; symbol < 144; symbol++)
      lengths[symbol] = 8;
    for (; symbol < 256; symbol++)
      lengths[symbol] = 9;
    for (; symbol < 280; symbol++)
      lengths[symbol] = 7;
    for (; symbol < FIXLCODES; symbol++)
      lengths[symbol] = 8;
    puff_construct(&lencode, lengths, FIXLCODES);
    for (symbol = 0; symbol < MAXDCODES; symbol++)
      lengths[symbol] = 5;
    puff_construct(&distcode, lengths, MAXDCODES);
    virgin = 0;
  }
  return puff_codes(s, &lencode, &distcode);
}
static int puff_dynamic(struct puff_state* s)
{
  static const short order[19] = {16, 17, 18, 0, 8,  7, 9,  6, 10, 5,
                                  11, 4,  12, 3, 13, 2, 14, 1, 15};
  int nlen = puff_bits(s, 5) + 257;
  int ndist = puff_bits(s, 5) + 1;
  int ncode = puff_bits(s, 4) + 4;
  if (nlen > MAXLCODES || ndist > MAXDCODES)
    return -3;
  short lengths[MAXCODES];
  int index;
  for (index = 0; index < ncode; index++)
    lengths[order[index]] = puff_bits(s, 3);
  for (; index < 19; index++)
    lengths[order[index]] = 0;
  short lencnt[MAXBITS + 1], lensym[MAXLCODES];
  struct puff_huffman lencode = {lencnt, lensym};
  int err = puff_construct(&lencode, lengths, 19);
  if (err != 0)
    return -4;
  index = 0;
  while (index < nlen + ndist) {
    int symbol;
    int len;
    symbol = puff_decode(s, &lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 16)
      lengths[index++] = symbol;
    else {
      len = 0;
      if (symbol == 16) {
        if (index == 0)
          return -5;
        len = lengths[index - 1];
        symbol = 3 + puff_bits(s, 2);
      } else if (symbol == 17)
        symbol = 3 + puff_bits(s, 3);
      else
        symbol = 11 + puff_bits(s, 7);
      if (index + symbol > nlen + ndist)
        return -6;
      while (symbol--)
        lengths[index++] = len;
    }
  }
  if (lengths[256] == 0)
    return -9;
  err = puff_construct(&lencode, lengths, nlen);
  if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1]))
    return -7;
  short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  struct puff_huffman distcode = {distcnt, distsym};
  err = puff_construct(&distcode, lengths + nlen, ndist);
  if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1]))
    return -8;
  return puff_codes(s, &lencode, &distcode);
}
static int puff(unsigned char* dest, unsigned long* destlen,
                const unsigned char* source, unsigned long sourcelen)
{
  struct puff_state s = {
      .out = dest,
      .outlen = *destlen,
      .outcnt = 0,
      .in = source,
      .inlen = sourcelen,
      .incnt = 0,
      .bitbuf = 0,
      .bitcnt = 0,
  };
  int err;
  if (setjmp(s.env) != 0)
    err = 2;
  else {
    int last;
    do {
      last = puff_bits(&s, 1);
      int type = puff_bits(&s, 2);
      err = type == 0 ? puff_stored(&s)
                      : (type == 1 ? puff_fixed(&s)
                                   : (type == 2 ? puff_dynamic(&s) : -1));
      if (err != 0)
        break;
    } while (!last);
  }
  *destlen = s.outcnt;
  return err;
}

//% END CODE DERIVED FROM puff.{c,h}

#define ZLIB_HEADER_WIDTH 2

static int puff_zlib_to_file(const unsigned char* source,
                             unsigned long sourcelen, int dest_fd)
{
  if (sourcelen < ZLIB_HEADER_WIDTH)
    return 0;
  source += ZLIB_HEADER_WIDTH;
  sourcelen -= ZLIB_HEADER_WIDTH;
  const unsigned long max_destlen = 132 << 20;
  void* ret = mmap(0, max_destlen, PROT_WRITE | PROT_READ,
                   MAP_PRIVATE | MAP_ANON, -1, 0);
  if (ret == MAP_FAILED)
    return -1;
  unsigned char* dest = (unsigned char*)ret;
  unsigned long destlen = max_destlen;
  int err = puff(dest, &destlen, source, sourcelen);
  if (err) {
    munmap(dest, max_destlen);
    errno = -err;
    return -1;
  }
  if (write(dest_fd, dest, destlen) != (ssize_t)destlen) {
    munmap(dest, max_destlen);
    return -1;
  }
  return munmap(dest, destlen);
}

static int setup_loop_device(unsigned char* data, unsigned long size,
                             const char* loopname, int* loopfd_p)
{
  int err = 0, loopfd = -1;
  int memfd = syscall(__NR_memfd_create, "syzkaller", 0);
  if (memfd == -1) {
    err = errno;
    goto error;
  }
  if (puff_zlib_to_file(data, size, memfd)) {
    err = errno;
    goto error_close_memfd;
  }
  loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    err = errno;
    goto error_close_memfd;
  }
  if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
    if (errno != EBUSY) {
      err = errno;
      goto error_close_loop;
    }
    ioctl(loopfd, LOOP_CLR_FD, 0);
    usleep(1000);
    if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
      err = errno;
      goto error_close_loop;
    }
  }
  close(memfd);
  *loopfd_p = loopfd;
  return 0;

error_close_loop:
  close(loopfd);
error_close_memfd:
  close(memfd);
error:
  errno = err;
  return -1;
}

static long syz_mount_image(volatile long fsarg, volatile long dir,
                            volatile long flags, volatile long optsarg,
                            volatile long change_dir,
                            volatile unsigned long size, volatile long image)
{
  unsigned char* data = (unsigned char*)image;
  int res = -1, err = 0, loopfd = -1, need_loop_device = !!size;
  char* mount_opts = (char*)optsarg;
  char* target = (char*)dir;
  char* fs = (char*)fsarg;
  char* source = NULL;
  char loopname[64];
  if (need_loop_device) {
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &loopfd) == -1)
      return -1;
    source = loopname;
  }
  mkdir(target, 0777);
  char opts[256];
  memset(opts, 0, sizeof(opts));
  if (strlen(mount_opts) > (sizeof(opts) - 32)) {
  }
  strncpy(opts, mount_opts, sizeof(opts) - 32);
  if (strcmp(fs, "iso9660") == 0) {
    flags |= MS_RDONLY;
  } else if (strncmp(fs, "ext", 3) == 0) {
    bool has_remount_ro = false;
    char* remount_ro_start = strstr(opts, "errors=remount-ro");
    if (remount_ro_start != NULL) {
      char after = *(remount_ro_start + strlen("errors=remount-ro"));
      char before = remount_ro_start == opts ? '\0' : *(remount_ro_start - 1);
      has_remount_ro = ((before == '\0' || before == ',') &&
                        (after == '\0' || after == ','));
    }
    if (strstr(opts, "errors=panic") || !has_remount_ro)
      strcat(opts, ",errors=continue");
  } else if (strcmp(fs, "xfs") == 0) {
    strcat(opts, ",nouuid");
  }
  res = mount(source, target, fs, flags, opts);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  res = open(target, O_RDONLY | O_DIRECTORY);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  if (change_dir) {
    res = chdir(target);
    if (res == -1) {
      err = errno;
    }
  }

error_clear_loop:
  if (need_loop_device) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
  errno = err;
  return res;
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  for (int i = 0; i < 100; i++) {
    if (waitpid(-1, status, WNOHANG | __WALL) == pid)
      return;
    usleep(1000);
  }
  DIR* dir = opendir("/sys/fs/fuse/connections");
  if (dir) {
    for (;;) {
      struct dirent* ent = readdir(dir);
      if (!ent)
        break;
      if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
        continue;
      char abort[300];
      snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
               ent->d_name);
      int fd = open(abort, O_WRONLY);
      if (fd == -1) {
        continue;
      }
      if (write(fd, abort, 1) < 0) {
      }
      close(fd);
    }
    closedir(dir);
  } else {
  }
  while (waitpid(-1, status, __WALL) != pid) {
  }
}

static void reset_loop()
{
  char buf[64];
  snprintf(buf, sizeof(buf), "/dev/loop%llu", procid);
  int loopfd = open(buf, O_RDWR);
  if (loopfd != -1) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  memcpy((void*)0x20000440, "ext4\000", 5);
  memcpy((void*)0x20000000, "./file0\000", 8);
  memcpy(
      (void*)0x20000d40,
      "\x69\x6e\x6f\x64\x65\x5f\x72\x65\x61\x64\x61\x68\x65\x61\x64\x5f\x62\x6c"
      "\x6b\x73\x3d\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x2c\x62\x6c"
      "\x6f\x63\x6b\x5f\x76\x61\x6c\x69\x64\x69\x74\x79\x2c\x64\x65\x62\x75\x67"
      "\x5f\x77\x61\x6e\x74\x5f\x65\x78\x74\x72\x61\x5f\x69\x73\x69\x7a\x65\x3d"
      "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x36\x34"
      "\x2c\x6e\x6f\x6d\x62\x63\x61\x63\x68\x65\x2c\x6e\x6f\x62\x68\x2c\x6e\x6f"
      "\x62\x68\x2c\x00\xe0\x6d\x18\x1f\xb3\xc2\xa9\x92\x5c\x3f\x8b\x8b\xa4\x20"
      "\x27\xbb\x2b\xde\xa8\x91\x56\x2b\x7e\x06\xb1\x67\x91\xce\x38\x30\x3a\xd1"
      "\xcc\x2e\xdf\x20\xbe\x74\x3a\x28\xd2\x54\x30\x8b\x41\xd3\xba\x0a\x0d\x2b"
      "\xb9\xc9\x2c\xef\xd1\x69\x98\x89\x91\x5d\xe8\x6e\xc8\xaa\x1d\x27\x08\x20"
      "\x15\x0b\xca\x37\xde\xcd\xee\xcc\x0e\xdf\x6d\x62\xb5\x67\x4c\x1d\x69\x12"
      "\x74\xdd\xe2\xd2\x65\x9f\x9d\xd1\x53\x59\xb1\xd9\x88\x2f\x26\x38\x36\xf1"
      "\x91\x15\xa8\x41\x3e\xa5\x65\x97\x28\x64\xd4\x0a\xff\x36\xe5\xff\xff\xff"
      "\x04\x00\xa9\x8a\x01\x67\xaf\x2b\xb0\x11\x03\x9e\xce\x2c\xeb\x89\x8a\x4d"
      "\x29\xe3\xc4\x08\xc9\xdd\xde\x8d\x6f\xd8\xc5\xb2\xaf\xdc\x94\x55\xea\x76"
      "\x58\xfe\x8d\xee\x50\x20\xf5\xc8\x62\xd0\x3a\x2d\xf8\x31\xc9\x86\x6d\x96"
      "\x7c\xfe\x25\x12\x45\xf6\x7c\x43\xf5\x1b\x16\xd4\xa5\x45\x66\xef\x85\xc0"
      "\x5a\x40\x70\xc9\xe2\x6a\xb2\x64\x2b\x1f\xce\x38\xd3\x3b\x5b\x0a\x8a\x0a"
      "\x18\xb9\x0a\x3a\xcc\xf9\xb5\x29\x09\x00\x00\x00\x00\x00\x00\x00\x0d\x6c"
      "\x7f\x82\x1c\x04\x58\xf5\x0e\xaf\x9d\xf6\x64\xdd\x33\x89\x74\x5c\xbd\xf0"
      "\x77\x33\x4d\x54\x17\x31\xd9\x8e\x95\x50\x9a\x09\x60\xb9\x47\x98\xf1\x82"
      "\xb1\x4d\x9a\x62\xb1\x2a\x61\x4b\x4a\xb0\x34\x1e\x2e\xd0\xa7\xec\xa9\x95"
      "\x77\x45\x6c\x4c\xaa\xf4\xa9\x28\x1d\x53\x7c\xd3\x24\xd7\x4a\x5a\xdb\xc7"
      "\xfc\x2d\x3a\xa7\xb8\xf1\xe4\xaf\xe8\x84\x8b\x78\x42\x9b\xc2\xce\xe5\x12"
      "\xf3\x2e\x60\xb2\xb1\x3a\x41\xe1\x9e\x11\x8c\x67\x43\x8a\xd9\xdf\xf7\x9e"
      "\x97\x47\xb0\x7e\x2c\xa3\xb2\xb8\xfe\xdb\x71\x7f\x04\x93\xcc\x00\x69\xa8"
      "\x2d\x08\x07\x9d\x7c\x1a\x6f\x14\xcb\x4d\x84\xcc\x92\x45\xfb\xb5\x44\x83"
      "\xcd\xbe\xee\xb1\xe7\xc6\xd5\x00\xe5\xd7\xa9\x49\x3e\x7c\x96\x97\x68\x0b"
      "\xaf\x5e\x5e\x7f\x40\xf3\xe2\x1d\xc8\xd5\x29\x15\xd7\x9a\x86\x2b\x86\x13"
      "\x53\x66\x34\x24\xc8\xf8\xe5\x44\xfc\x80\xe3\x2e\xbd\xf9\x47\x09\xcd\xdd"
      "\xb2\x89\x7a\xb2\x25\xd8\x1c\xd9\x4b\xf3\x81\xca\xae\x6f\x00\x4b\xcb\x8a"
      "\x74\xb0\x9c\xbd\xc9\xc2\x85\x52\xbc\x78\x36\xc7\xda\x5e\xa8\xf8\x80\xd3"
      "\x54\x0d\x74\xfb\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x65\x4c\x0d\xc8"
      "\x3a\x2e\x34\x86\xcb\x29\xce\x00\x20\xd0\x79\x50\xf2\x4c\x03\x50\x86\x6c"
      "\x48\xb2\x4f\xb0\x11\x79\x06\x86\x0e\xbd\x94\x07\x09\x52\xa4\x52\xe5\x48"
      "\x49\x41\x3e\xfe\x31\x5c\xbd\x7d\x01\xde\x87\x46\x98\x2d\x1b\xe1\xf7\x6b"
      "\x20\x76\xed\x04\x29\x4d\xae\x9f\xee\xb9\x74\x25\xbd\x2b\x75\x07\x6d\xce"
      "\xd5\x7b\xe7\x76\x5e\x86\xc6\xf3\xed\x23\x41\x5a\x31\xfb\x51\xb4\x39\xc0"
      "\xa9\x86\xc3\xdf\x1e\xe3\x78\xf8\x78\xf6\x96\x92\x29\x30\xbb\xdd\x94\x53"
      "\x0e\x6a\x13\x0e\x4e\xf1\x34\xe2\xbf\x3c\x4c\x5c\xc5\x8d\xa4\xc3\x36\x13"
      "\x36\xcb\x6a\x1c\x6a\xa8\x6c\x78\x53\x7e\x9b\x8f\xe9\x53\x97\x3f\xb1\x5d"
      "\x5c\x3a\x4d\x5c\x3c\xbc\x74\x20\x2e\xf0\x32\xb3\x92\x41\xf6\x67\x64"
      "\xe9",
      756);
  memcpy(
      (void*)0x20000900,
      "\x78\x9c\xec\xdb\xcb\x6f\x1b\xc5\x1f\x00\xf0\xef\xae\x93\xf6\xf7\xeb\x83"
      "\x84\x52\x1e\x2d\x05\x0c\x05\x11\xf1\x48\x9a\xb4\x40\x0f\x5c\x40\x20\x71"
      "\x00\x09\x09\x0e\xe5\x18\x92\xb4\x0a\x75\x1b\xd4\x04\x89\x56\x11\x04\x84"
      "\xca\x11\x55\xe2\x8e\x38\x22\xf1\x17\x70\x82\x0b\x02\x4e\x48\x5c\xe1\x8e"
      "\x2a\x55\x28\x97\x16\x4e\x46\x6b\xef\x26\xae\x63\x87\x3c\x9c\xba\xb0\x9f"
      "\x8f\xb4\xed\x8c\x77\x9c\x99\xaf\x67\xc7\x9e\x9d\xb1\x03\x28\xad\x6a\xf6"
      "\x4f\x12\xb1\x2f\x22\x7e\x8d\x88\xa1\x66\xf6\xe6\x02\xd5\xe6\x7f\x37\x96"
      "\x17\xa7\xfe\x5c\x5e\x9c\x4a\xa2\x5e\x7f\xe3\x8f\xa4\x51\xee\xfa\xf2\xe2"
      "\x54\x51\xb4\x78\xde\xde\x3c\x33\x92\x46\xa4\x9f\x24\x6d\x7f\xb0\x69\xfe"
      "\xe2\xa5\xb3\x93\xb5\xda\xcc\x85\x3c\x3f\xb6\x70\xee\xdd\xb1\xf9\x8b\x97"
      "\x9e\x9e\x3d\x37\x79\x66\xe6\xcc\xcc\xf9\x89\x93\x27\x4f\x1c\x1f\x7f\xee"
      "\xd9\x89\x67\x7a\x12\x67\x16\xd7\xf5\xc3\x1f\xcc\x1d\x39\xf4\xca\x5b\x57"
      "\x5e\x9b\x3a\x75\xe5\xed\x1f\xbf\xce\x9a\xb5\x2f\x3f\xdf\x1a\x47\xaf\x54"
      "\xa3\xda\x29\xf4\x86\xc7\x7a\x5d\x59\x9f\xed\x6f\x49\x27\x03\x7d\x6c\x08"
      "\x9b\x52\x89\x88\xac\xbb\x06\x1b\xe3\x7f\x28\x2a\xb1\xda\x79\x43\xf1\xf2"
      "\xc7\x7d\x6d\x1c\xb0\xa3\xea\xf5\x7a\x7d\x77\xf7\xd3\x4b\x75\xe0\x3f\x2c"
      "\x89\x7e\xb7\x00\xe8\x8f\xe2\x83\x3e\xbb\xff\x2d\x8e\x5b\x34\xf5\xb8\x2d"
      "\x5c\x7b\xa1\x79\x03\x94\xc5\x7d\x23\x3f\x9a\x67\x06\x22\xcd\xcb\x0c\xb6"
      "\xdd\xdf\xf6\x52\x35\x22\x4e\x2d\xfd\xf5\x45\x76\xc4\x0e\xad\x43\x00\x00"
      "\xb4\xfa\x36\x9b\xff\x3c\xd5\x69\xfe\x97\xc6\x3d\x2d\xe5\xee\xc8\xf7\x50"
      "\x86\x23\xe2\xce\x88\x38\x10\x11\x77\x45\xc4\xc1\x88\xb8\x3b\xa2\x51\xf6"
      "\xde\x88\xb8\x6f\x93\xf5\x57\xdb\xf2\x6b\xe7\x3f\xe9\xd5\x2d\x05\xb6\x41"
      "\xd9\xfc\xef\xf9\x7c\x6f\xeb\xe6\xf9\x5f\x31\xfb\x8b\xe1\x4a\x9e\xdb\xdf"
      "\x88\x7f\x30\x39\x3d\x5b\x9b\x39\x96\xbf\x26\x23\x31\xb8\x3b\xcb\x8f\xaf"
      "\x53\xc7\x77\x2f\xfd\xf2\x59\xb7\x73\xad\xf3\xbf\xec\xc8\xea\x2f\xe6\x82"
      "\x79\x3b\xae\x0e\xb4\x2d\xd0\x4d\x4f\x2e\x4c\x6e\x27\xe6\x56\xd7\x3e\x8a"
      "\x38\x3c\xd0\x29\xfe\x64\x65\x27\x20\x89\x88\x43\x11\x71\x78\x8b\x75\xcc"
      "\x3e\xf1\xd5\x91\x6e\xe7\xfe\x39\xfe\x75\xf4\x60\x9f\xa9\xfe\x65\xc4\xe3"
      "\xcd\xfe\x5f\x8a\xb6\xf8\x0b\xc9\xfa\xfb\x93\x63\xff\x8b\xda\xcc\xb1\xb1"
      "\xe2\xaa\x58\xeb\xa7\x9f\x2f\xbf\xde\xad\xfe\x6d\xc5\xdf\x03\x59\xff\xef"
      "\xe9\x78\xfd\xaf\xc4\x3f\x9c\xb4\xee\xd7\xce\x6f\xbe\x8e\xcb\xbf\x7d\xda"
      "\xf5\x9e\x66\xab\xd7\xff\xae\xe4\xcd\x46\x7a\x57\xfe\xd8\xfb\x93\x0b\x0b"
      "\x17\xc6\x23\x76\x25\xaf\xae\x7d\x7c\x62\xf5\xb9\x45\xbe\x28\x9f\xc5\x3f"
      "\x72\xb4\xf3\xf8\x3f\x10\xab\xaf\xc4\xfd\x11\x91\x5d\xc4\x0f\x44\xc4\x83"
      "\x11\xf1\x50\xde\xf6\x87\x23\xe2\x91\x88\x38\xba\x4e\xfc\x3f\xbc\xf8\xe8"
      "\x3b\x5b\x8f\x7f\x67\x65\xf1\x4f\x6f\xaa\xff\x37\x9f\xa8\x9c\xfd\xfe\x9b"
      "\x6e\xf5\x6f\xac\xff\x4f\x34\x52\x23\xf9\x23\x1b\x79\xff\xdb\x68\x03\xb7"
      "\xf3\xda\x01\x00\x00\xc0\xbf\x45\xda\xf8\x0e\x7c\x92\x8e\xae\xa4\xd3\x74"
      "\x74\xb4\xf9\x1d\xfe\x83\xb1\x27\xad\xcd\xcd\x2f\x3c\x79\x7a\xee\xbd\xf3"
      "\xd3\xcd\xef\xca\x0f\xc7\x60\x5a\xac\x74\x0d\xb5\xac\x87\x8e\xe7\x6b\xc3"
      "\x45\x7e\xa2\x2d\x7f\x3c\x5f\x37\xfe\xbc\xf2\xff\x46\x7e\x74\x6a\xae\x36"
      "\xdd\xef\xe0\xa1\xe4\xf6\x76\x19\xff\x99\xdf\x2b\xfd\x6e\x1d\xb0\xe3\xfc"
      "\x5e\x0b\xca\xcb\xf8\x87\xf2\x32\xfe\xa1\xbc\x8c\x7f\x28\x2f\xe3\x1f\xca"
      "\xab\xd3\xf8\xff\xb0\x0f\xed\x00\x6e\x3d\x9f\xff\x50\x5e\xc6\x3f\x94\x97"
      "\xf1\x0f\xe5\x65\xfc\x43\x29\x6d\xe7\x77\xfd\x12\x65\x4e\x44\x7a\x5b\x34"
      "\x43\x62\x87\x12\xfd\x7e\x67\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\xe8\x8d\xbf\x03\x00\x00\xff\xff\xf0\x75\xe6\x67",
      1057);
  syz_mount_image(0x20000440, 0x20000000, 0, 0x20000d40, 1, 0x421, 0x20000900);
  memcpy((void*)0x20000080, "cgroup.controllers\000", 19);
  res = syscall(__NR_openat, 0xffffff9c, 0x20000080ul, 0x275aul, 0ul);
  if (res != -1)
    r[0] = res;
  *(uint32_t*)0x20000380 = 0;
  *(uint32_t*)0x20000384 = 0;
  *(uint32_t*)0x20000388 = 0;
  *(uint32_t*)0x2000038c = 0;
  memset((void*)0x20000390, 0, 48);
  *(uint32_t*)0x200003c0 = 0;
  *(uint32_t*)0x200003c4 = 0;
  *(uint64_t*)0x200003c8 = 0;
  *(uint64_t*)0x200003d0 = 0;
  *(uint64_t*)0x200003d8 = 0;
  *(uint64_t*)0x200003e0 = 0;
  memset((void*)0x200003e8, 0, 24);
  *(uint32_t*)0x20000400 = 0x704;
  *(uint32_t*)0x20000404 = 0;
  *(uint64_t*)0x20000408 = 0;
  *(uint64_t*)0x20000410 = 0;
  *(uint64_t*)0x20000418 = 0;
  *(uint64_t*)0x20000420 = 0;
  memset((void*)0x20000428, 0, 24);
  syscall(__NR_ioctl, r[0], 0xc0c0583b, 0x20000380ul);
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}